.loginBox{
  background:rgb(35,39,65);
  height: 100%;
}
.formBox{
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 0, 0, .6);
  width: 500px;
  height: 300px;
  padding: 20px;
  z-index: 55;
}
.topBox{
  text-align: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 30px;
  color: #fff;
}